{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25745481",
    "entityType": "User",
    "nonce": "0xfa23f0ae01949bb7dd820ce0eb29953b568a1f65d15448fa593a42d534c9ca9c",
    "signature": "0x2282a1a20f43defb19bcb32ce76829463669aac59a9c2b4af67337890fb9d9ef3924c15f700e5fc0387ae23ca190d2fee9fe4fcb77d6023d8ec45d5f3317c39f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}